tce-load -i compiletc mpc-dev texinfo gperf

cd gcc-8.2.0

mkdir build
cd build

CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -march=i486 -mtune=i686 -Os -pipe" ../configure --prefix=/usr/local --enable-languages=c,c++,fortran --disable-multilib --disable-bootstrap --disable-libmpx --with-system-zlib --libexecdir=/usr/local/lib --enable-frame-pointer

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;
find . -name Makefile -type f -exec sed -i 's/-O2 -g//g' {} \;
find . -name config.status -type f -exec sed -i 's/-g -O2//g' {} \;

time make [24m 22.04s]
sudo make install